/* 
  Example 10.1
  blink a few LEDs to test breadboarduino
  http://tronixstuff.com/tutorials
*/

int d= 500; // delay for blinks

void setup()
{                
  pinMode(3, OUTPUT);     
  pinMode(5, OUTPUT);     
  pinMode(7, OUTPUT);     
}

void loop()                     
{
  digitalWrite(3, HIGH);
  delay(d);          
  digitalWrite(3, LOW); 
  delay(d);          
  digitalWrite(5, HIGH);
  delay(d);          
  digitalWrite(5, LOW); 
  delay(d);          
  digitalWrite(7, HIGH);
  delay(d);          
  digitalWrite(7, LOW); 
  delay(d);          
}

